package com.jdy.haoduoaiteacher.view;//package com.jdy.haoduoaiteacher.view;
//
//import android.content.Context;
//import android.util.AttributeSet;
//import android.view.KeyEvent;
//import android.view.inputmethod.EditorInfo;
//import android.view.inputmethod.InputConnection;
//import android.view.inputmethod.InputConnectionWrapper;
//import android.widget.EditText;
//
///**
// * 这个是从stackOverFlow上面找到的解决方案，主要用途是处理软键盘回删按钮backSpace时回调OnKeyListener
// * 
// * @author xmuSistone
// * 
// */
//public class DeletableEditText extends EditText {
//
//  public DeletableEditText(Context context, AttributeSet attrs, int defStyle) {
//    super(context, attrs, defStyle);
//  }
//
//  public DeletableEditText(Context context, AttributeSet attrs) {
//    super(context, attrs);
//  }
//
//  public DeletableEditText(Context context) {
//    super(context);
//  }
//
//  @Override
//  public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
//    return new DeleteInputConnection(super.onCreateInputConnection(outAttrs),
//        true);
//  }
//
//  private class DeleteInputConnection extends InputConnectionWrapper {
//
//    public DeleteInputConnection(InputConnection target, boolean mutable) {
//      super(target, mutable);
//    }
//
//    @Override
//    public boolean sendKeyEvent(KeyEvent event) {
//      return super.sendKeyEvent(event);
//    }
//
//    @Override
//    public boolean deleteSurroundingText(int beforeLength, int afterLength) {
//      if (beforeLength == 1 && afterLength == 0) {
//        return sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN,
//            KeyEvent.KEYCODE_DEL))
//            && sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP,
//                KeyEvent.KEYCODE_DEL));
//      }
//
//      return super.deleteSurroundingText(beforeLength, afterLength);
//    }
//
//  }
// }